Class 10 Online Courses

Chapter 6: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere Quiz Questions and Answers PDF - 15

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Environmental Chemistry I Atmosphere Questions & Answers PDF Download: MCQ Quiz 15

MCQ 71: Sulphuric acid eats away metals to form

A) water soluble salts only
B) hydrogen only
C) oxygen
D) water soluble salts and hydrogen

MCQ 72: Which of the following saves us from the harmful effects of incoming ultraviolet radiation from the sun?

A) troposphere
B) mesosphere
C) thermosphere
D) ozone

MCQ 73: Brilliant light displays called aurora borealis occur in

A) troposphere
B) stratosphere
C) exosphere
D) ionosphere

MCQ 74: Which of the following contains the maximum amount of ozone?

A) troposphere
B) stratosphere
C) mesosphere
D) thermosphere

MCQ 75: Acid rain may have pH as low as

A) 1.1
B) 2.1
C) 3.1
D) 4.1

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